iButton DS1990A Lock

Thursday, September 22nd, 2011

This electronic lock can be used with any type of iButtons you may already have, since the only thing needed is the internal serial number, that’s different for every iButton. The command used to read the serial number is the same for all iButtons. The iButton family code that goes with every iButton, can be [...]

BAYweb Internet Controlled Thermostat

Wednesday, September 21st, 2011

Maximum Savings with Minimum Effort The BAYweb Thermostat saves the maximum amount of energy almost effortlessly. Once installed, you will rarely have to think about resetting or programming your thermostat again. Relax, your home is being monitored. The BAYweb thermostat will notify you of problems with your heating or air conditioning. These alerts are delivered [...]

Video Camera switcher MAX454

Tuesday, September 13th, 2011

The video switcher described here can display the output of two, three, or four cameras on a single monitor. The number of cameras is set by a DIP switch on the circuit board. That feature avoids blank displays if less than four cameras are used by sequencing through only the inputs that are connected to [...]